agent

• 指代表他人行事或拥有代理权的人或事物，常用于商业、法律或秘密语境中。

A noun referring to a person or thing that acts or has the power to act on behalf of another, often in business, legal, or secret contexts.

1. Person representing anotherB1formal

   Someone who acts on behalf of another person or organization.

   代理人

   • The real estate agent showed us the house.
   • She hired a literary agent to sell her book.
   • The travel agent booked our flights.

   同义词attorneybrokerdeputyemissaryenvoyintermediarynegotiatorproxyrepresentativesurrogate

   反义词clientprincipal

2. Secret agentB1informal

   A spy or undercover operative working for a government or organization.

   秘密特工

   • The secret agent infiltrated the enemy base.
   • James Bond is a famous secret agent.
   • Secret agents use code names during missions.

   同义词assetdouble agentintelligence agentmoleoperativesecret agentspyundercover agent

3. Chemical or physical agentC1formalscientific

   A substance or force that produces an effect or change.

   作用剂

   • Bleach is a cleaning agent.
   • The chemical agent caused the reaction.
   • Heat is an oxidizing agent in combustion.

   同义词causefactorinstrumentmediumvehicle

4. Software agentC1formalIT

   A computer program that acts autonomously to perform tasks.

   软件代理

   • AI agents can automate customer service.
   • The software agent monitors network traffic.
   • Intelligent agents learn from user interactions.

   同义词bot